We use Munin to monitor servers with different resources and critical operations. Munin will contact each server and ask for statistics and monitor if a service is running and have enough resources to work.

The next release of OpenJDK is number 15. I will title this release unsafe garbage as it focuses on garbage collection and removing usages of unsafe methods. We also look at string blocks and records.

We look into high availability using Heartbeat and DRBD. Heartbeat is a software to monitor and failover when a machine is unresponsive and DRBD can help you replicate data between machines making your setup highly available. This solution can help you doing maintenance work without downtime.

We will use the Github actions and create a progressive web app and test it using lighthouse ci. I will also go through improvements I’ve done from the report CI in lighthouse.

Using openfaas and minikube we will create a function as a service on prem. Function as a service is available for larger kubernetes systems and can be deployed in the cloud but being able to test locally can be benificial.

We look into scaling Kubernetes using a RabbitMQ queue or using horizontal autoscaling. There are guides for autoscaling using CPU, and I found a repository for RabbitMQ scaling. I will do the operations I’ve detailed in the git repository below.

We will build a web component in a module using hybrids. Hybrids is a framework to make building web component modules easy and quick. I will live code a web component in under 10 minutes.

Automate installation of a Linux OS using Simple-CDD and Virtualbox. Running a script to install Linux on a Virtualbox VM then automate the installation of packages and configuration.

We will compare java build tools. By comparing Ant vs Maven and Maven vs Gradle we will figure out if Gradle or Maven will be the best tool to use. Ant is the old build tool that is not used much but is still good to know about.

We look into setting up a local copy of jitsi video conference solution on a clean Debian install. We also try it out and see how it impacts the installed server.

We go through how to to create a package to for a cross platform build script. Using the tools autoconf and automake to create Makefile to make and install your c program.

We look at two projects that tries to recreate a voice using extreamly small amount of voice data.